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This product fits in most Jeeps Dana 44 with 30 Spline Ratios 3.73 & Down Including Jeep JK
For Use With 30 Spline Full Floating Axles
Air Activated Selectable Locker, converts From Open Differential To fully Locked Or Spool
Air Compressors have to be bought separately, ARB Recommend use their on board systems.
Part Number for Jeep JK RUBICON is RD157